code: def setUp(self):
      super().setUp()
      self.key = jax.random.PRNGKey(0)
      self.example_state = jnp.zeros((8,), dtype=jnp.float32)
      self.example_action = jnp.zeros((3,), dtype=jnp.float32)
      self.action_shape = (4,)
  
file_path: dopamine/tests/dopamine/jax/continuous_networks_test.py
imports: from absl.testing import absltest
  from dopamine.jax import continuous_networks
  import jax
  from jax import numpy
label_desc: Use image node_id 1 for calling the SacCriticNetworkTest obj's underlying member method code with example usage: obj.setUp() without return types